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Artifacts in alpha-rooting of images

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1 Author(s)
McClellan, James H. ; Massachusetts Institute of Technology, Cambridge, Massachusetts

Image enhancement using Fourier transform coefficient rooting (often referred to as alpha-rooting) suffers from certain objectionable artifacts due to the processing. Such artifacts are caused by well-defined high contrast edges within the image. A modification of the usual alpha-rooting process is proposed whereby these artifacts are suppressed while the desirable enhancement features of the processing are retained.

Published in:

Acoustics, Speech, and Signal Processing, IEEE International Conference on ICASSP '80.  (Volume:5 )

Date of Conference:

Apr 1980

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